12
Selection of Installation Location and Precautions
Power Supply Specification of Indoor Units
Sheet A: Circuit breakers below indicate total capacity of circuit breakers which are corresponding to indoor
units connecting general supply in the same system.
Total Capacity of the indoor
unit
Capacity of the Circuit
breaker
Min. Sectional Area of
Power Cord (mm
2
)
Min. Sectional Area of
Earth lead (mm
2
)
10A 以下
10 1.5 1.5
20～10A
20 4.0 4.0
32～20A
32 6.0 6.0
40~32A 40 10.0 10.0
50~40A 50 16.0 16.0
63~50A 63 35.0 16.0
80~63A 80 35.0 16.0
100~80A 100 50.0 25.0
125~100A 125 70.0 35.0
Note: Specific parameters can be revised according to conditions and laws of users’ country
Circuit breakers are closed in normal condition,which are for the purpose of short circuit protection for
indoor units and abnormal overload. All terminals of circuit breakers should be connected to a same
general supply switch for cutting power supply of all indoor units.
Indoor Unit Model
Capacity of the Circuit
breaker
Min. Sectional Area of
Earth lead (mm
2
)
Min. Sectional Area of
Power Cord (mm
2
)
Wall-mounted Units 10 1.0 1.0
Duct Type Units 10 1.0 1.0
Cassette Type Units( Heat
Pump or Cooling Only)
10 1.0 1.0
One-way Cassette Type units 10 1.0 1.0
Floor-standing Units 10 1.0 1.0
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